Amasa nathaniel kidder



(No Model.)

A. N. KIDDBR.

PAPER MAKING MAGHINF...y

Patented Peb. 21, 18793..

UNITED STATES PATENT OFFICE.

AMASA NATHANIEL KIDDER, OF OHELMSFORD, MASSACHUSETTS, ASSIGNOR OFONE-HALF TO AMASA HOWARD, OF SAME PLACE.

PAPER-MAKING MACHINE.

SPECIFICATION forming part of Letters Patent No. 492,209, dated February21, 1893. Application filed March 12, 1892. Serial No. 424,676. (Nomodel.) Patented in Canada April 27, 1892, No. 38,815.

To all whom it may concern.:

Be it known that I, AMAsA NATHANIEL KIDDER,of Chelmsford, in the countyof MiddleseX and State of Massachusetts, have invented certain new anduseful Improvements in Paper-Makin g Machines, (for which I haveobtained Letters Patent in Canada, dated April 27, 1892, No. 38,Sl5,) ofwhich the following is a specification.

1o My invention has relation to the art of making paper on cylindermachines, so called, in which wood, jute, linen and cotton fiber held insuspension in water and forming what is known as pulp, flows into a vatin which rer 5 volves a cylinder covered with fine wire cloth ornetting. The cylinder is hollow and is provided with a hollow shaft oropening about the shaft, out of which flows the water drained from thepulp proper, which latter from the zo pressure of the water within thetank is collected upon the wire cloth of the cylinder and is taken offon a felt, and when pressed and dried forms the paper. In consequence ofthe motion of the cylinder and the current of the z 5 water which runsin aline parallel to the motion of the cylinder, the fibers tend to laythemselves upon the cylinder in the same direction which in themanufactured paper is longitudinal of the sheet, so that the paper is 3ostrong and not easily torn when tension is brought thereon across thefibers, but weak and easily torn in the direction of its length and inline with the direction of the fibers. Itis very desirable that thefibers should be 5 5 made to form on the wire cloth of the cylinder inall directions, so that the same may be, in a sense, felted orintertwined in order that the paper may be rendered equally strong inall directions. l have discovered that if 4o the pulp in the vat isagitated `in close proximity to the cylinder on a line at a right angleto the motion of the same, the objections mentioned may be overcome andthe desired end obtained. Y

My invention consists in the construction and combination of parts ashereinafter fully described and claimed.

In the drawings formings partof this specification: Figure 1, is a topplan view of my 5o improved machine. Fig. 2, is a transverse sectionalView thereof taken on the line 22,

of Fig. 1. Fig. 3, is a horizontal section taken on the line BL-3, Fig.2. Fig. 4, is a detail end view. Fig. 5, is a sectional view taken onthe line 5 5, Fig. 4. Fig. 6, is a diagram show- 55 ing the resultsattendant upon the employment of my improved means.

The same letters designate the same parts in all the figures.

ln the said drawings: a designates a vat or 6o tank, which may be ofconcaved or other suitable form, in which is arranged a hollow cylinderb covered with wire gauze or fine wire cloth. The journals of thecylinder are arranged in suitable bearings in the sides of the vat, sothat the cylinder may be rotated, and the shaft c of the latter is madehollow with an opening at 011e end, as at cl, numerous holes e beingformed in the shaft, affording means of communication between the in- 7oterior of the cylinder and the hollow of the shaft, or other suitablemeans may be provided, so that the water in the cylinder may iiow outand be drained from the fiber collected upon the cylinder. Any desiredmeans `7 5 may be provided for rotating the cylinder at the necessaryspeed.

Arranged on a plane at or near the top of the cylinder is a rectangularframe consisting of the side rods f f and the removable con- 8o nectingend bars g g.` The rods f are mounted in sleeves or bushings 7L held inboxes t', so that the said rods may be reciprocated in their bearings.

j designates a series of blades, which are supported at their ends bythe rods f and eX- tend around or partially around the cylinder in thedirection of its movement. The outer edges of the blades j are providedwith iianges 7o which serve to strengthen the same and 9c also toperform a function to be presently mentioned. The series of blades aredivided cena trally below the cylinder on a line coincident with theaxis of the latter, and hingedly connected, as at Z, so that the freeends of the blades may be separated to admit of the cylinder beingpassed therebetween, and be again adjusted in piace.

One way in which the cylinder may be re= moved is by removing the capsof the bearroo ings of one of the rods f, andthe shaft of the cylinder;which latter may then be lifted out of the vat.

m designates a stud connected with one of the cross-bars g, Whichextends down into a cam groove, n formed in ,the periphery of a cylinderor pulley 0, connected with which is a pulley p or other suitable meanswhereby l the pulley o may be rotated, in order that, through the mediumof the cam groove,` stud fm, and rectangular frame, the blades j andtheir connected flanges la may be vibrated or reciprocated.Strengthening strips or bars g. may be connected With the iianges 7c orouter edges of the blades inl order tostiften and strengthenthestructure connected with the rectangular frame.`

In the: practiceof mfy'invention the. pulp will flowintothe vat,tliefc-ylinder will be rcvolved. in the usual or any Suitable Way, andthercctangn-lar frame will b e reciprocated by the means explained so,as tovibrateorrecip.- rocate the blades, and their attached iianges. kon a line-su-,bstantiallyat a right angletothc motion of the cylinderand in theidfirection of its axis. By thisgoperation the iberswhich, as`before. stated tend. to take the line of the currenty and* lay'themselves iipon the1 cylinder in adirection parallel. to its linel ofmotion, j

will beactcd upon thei blades. j and their ianges; 7a, to intertwndvthem and laythexn upon thewifre fabricornetting in; all: directions asisolea-rl yshown in-Figl. Theblades. j, being of thin metal, with theiri'niner edges` in proximity with the cylinder; and; having theVA angesla, form improved agiitat'ingf devices: for the pulpow,ing to theirreglilarsn-rfaces or angles presented during ltheir mover ment asdescribed.,

By my invention-,the1 strengthl ofthe paper manufactured beingr equal inall directions,

the paper-can bev made thinner Without liability of breaking down`andoccasioningthe expensel of broken Waste, than Where,

the fibers are substantially all laid in parallel With the direction ofthe. length of the sheet, so as. to render the same comparatively Weakin that direction. In short, by my described process I am enabled toenhance the value of the product and at the same time reduce the Weightor thickness of the paper, and conse.-

qucntly lessen the cost of its production.

Having thusdescribed the nature of my invention and explained away ofconstructing E and using the sam-e, though without attempting to setforth all of the forms in which it Y may be made or all of the modes ofits employment, I declare that, what I claim is- 1. A machine for makingpaper, comprising i in its construction a cylinder, a vibratory frame orsu pport, and iiat agitating blades eX- tending in a line parallel withthe mov-einen t.

i of thecylinder connected with said frame, and i located in proximitywith they cylinder-asdescribed.

2. A machine fo|-,-making paper, comprising sin its. construction acylinder, a vibratorry i frame or support, and aseries ofagitatingdevices divided centrally on a line, parallel with a the axisof the cylinder and hin-.ged together', I the agitating deviceV beingconnected to the i said frame and arranged in proximity to the,

cylinder, as described.`

3., A inachineter makingpaper, comprising :in its construction acylinder,` a` vibratory i frame or support, and agitatingdevices. con.-n-ected with said. frame and located in proxi imity with the. cylinder,the said agi-tatin g diei vices; having the form oli thin, fiat bladesex'- L tending in a line parallel with th-e motion ot i thecylinder,andprovided on their outeredges i with. fianges, as described.

In testimony whereof If have signedmty name to this specica-tion, inthe, presencefo'l ftWo subscribing Witnesses, this. 5th day oii March,A. D.. 11892;.

AMASA NATHANIEL. KIDDiE'R. Witnesses:

ARTHUR W., GRossLEY,

AMAsA HoWARD.,

